ALSA: hda/cs8409: Fix Jack detection after resume

The suspend code unconditionally sets ->hp_jack_in and ->mic_jack_in
to zero but without reporting this status change to the HDA core.
To compensate for this, always assume a status change on the
first unsol event after boot or resume.

Fixes: 424e531b47f8 ("ALSA: hda/cs8409: Ensure Type Detection is only run on startup when necessary")
Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Link: https://lore.kernel.org/r/20211231134432.atwmuzeceqiklcoa@cae.in-ulm.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/patch_cs8409-tables.c b/sound/pci/hda/patch_cs8409-tables.c
index 0fb0a42..df0b452 100644 (file)
--- a/sound/pci/hda/patch_cs8409-tables.c
+++ b/sound/pci/hda/patch_cs8409-tables.c
@@ -252,6 +252,7 @@ struct sub_codec cs8409_cs42l42_codec = {
        .init_seq_num = ARRAY_SIZE(cs42l42_init_reg_seq),
        .hp_jack_in = 0,
        .mic_jack_in = 0,
+       .force_status_change = 1,
        .paged = 1,
        .suspended = 1,
        .no_type_dect = 0,
@@ -443,6 +444,7 @@ struct sub_codec dolphin_cs42l42_0 = {
        .init_seq_num = ARRAY_SIZE(dolphin_c0_init_reg_seq),
        .hp_jack_in = 0,
        .mic_jack_in = 0,
+       .force_status_change = 1,
        .paged = 1,
        .suspended = 1,
        .no_type_dect = 0,
@@ -456,6 +458,7 @@ struct sub_codec dolphin_cs42l42_1 = {
        .init_seq_num = ARRAY_SIZE(dolphin_c1_init_reg_seq),
        .hp_jack_in = 0,
        .mic_jack_in = 0,
+       .force_status_change = 1,
        .paged = 1,
        .suspended = 1,
        .no_type_dect = 1,

diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c
index 07eab78..9319ca8 100644 (file)
--- a/sound/pci/hda/patch_cs8409.c
+++ b/sound/pci/hda/patch_cs8409.c
@@ -636,7 +636,9 @@ static void cs42l42_run_jack_detect(struct sub_codec *cs42l42)
 
 static int cs42l42_handle_tip_sense(struct sub_codec *cs42l42, unsigned int reg_ts_status)
 {
-       int status_changed = 0;
+       int status_changed = cs42l42->force_status_change;
+
+       cs42l42->force_status_change = 0;
 
        /* TIP_SENSE INSERT/REMOVE */
        switch (reg_ts_status) {
@@ -786,6 +788,7 @@ static void cs42l42_suspend(struct sub_codec *cs42l42)
        cs42l42->last_page = 0;
        cs42l42->hp_jack_in = 0;
        cs42l42->mic_jack_in = 0;
+       cs42l42->force_status_change = 1;
 
        /* Put CS42L42 into Reset */
        gpio_data = snd_hda_codec_read(codec, CS8409_PIN_AFG, 0, AC_VERB_GET_GPIO_DATA, 0);

diff --git a/sound/pci/hda/patch_cs8409.h b/sound/pci/hda/patch_cs8409.h
index ade2b83..d0b725c 100644 (file)
--- a/sound/pci/hda/patch_cs8409.h
+++ b/sound/pci/hda/patch_cs8409.h
@@ -305,6 +305,7 @@ struct sub_codec {
 
        unsigned int hp_jack_in:1;
        unsigned int mic_jack_in:1;
+       unsigned int force_status_change:1;
        unsigned int suspended:1;
        unsigned int paged:1;
        unsigned int last_page;